Help With Lift And Drag Forces On A Ball, Bernoullis Principles.

[imamul]

Homework Statement

Any help would be appreciated, whether that is formulas or working out.
Questions
For each of the vertical levitation examples calculate the lift force exerted on the ball.

For each of the inclined levitation examples calculate the lift and drag forces exerted on the ball.

BeachBall, Circumference = 73cm, Weight = 100g

Velocities At Different Points On The BeachBall at 90 degrees, From Far Left To Far Right:
A1: 0.5 m/s
B1: 5 m/s
C1: 13.5 m/s
D (center): 15.5 m/s
A2: 0.4 m/s
B2: 5.1 m/s
C2: 10.5 m/s

Velocities At Different Points On The BeachBall at 45 degrees, From Far Left To Far Right:
A1: 0.1 m/s
B1: 2.2 m/s
C1: 7.6 m/s
D (center): 11.2 m/s
A2: 0 m/s
B2: 2.5 m/s
C2: 7.2 m/s

Homework Equations

Dont know, have attempted to find.

The Attempt at a Solution

Formula used:
F=(1/2)Pv^2CA
P=density
A=cross section
v=velocity
c=drag coefficient

CD=2FD/PV^2A

CD=2FD/110 x 11.2^2 x424

A= Pi r^2
Diameter = 23.23
R= 11.615

 

[jbsteele]

A= 424Vertical LevitationA1: F=(1/2)Pv^2CA = (.5 x 1.225 x 0.5^2 x 424 x 1)=106.5 N B1: F=(1/2)Pv^2CA = (.5 x 1.225 x 5^2 x 424 x 1)=3,637 N C1: F=(1/2)Pv^2CA = (.5 x 1.225 x 13.5^2 x 424 x 1)=20,343 N D (center): F=(1/2)Pv^2CA = (.5 x 1.225 x 15.5^2 x 424 x 1)= 24,561 N A2: F=(1/2)Pv^2CA = (.5 x 1.225 x 0.4^2 x 424 x 1)=51.04 N B2: F=(1/2)Pv^2CA = (.5 x 1.225 x 5.1^2 x 424 x 1)=3,892 N C2: F=(1/2)Pv^2CA = (.5 x 1.225 x 10.5^2 x 424 x 1)=14,955 N Inclined LevitationA1: F=(1/2)Pv^2CA = (.5 x 1.225 x 0.1^2 x 424 x 1)=10.2 N B1: F=(1/2)Pv^2CA = (.5 x 1.225 x 2.2^2 x 424 x 1)=472.7 N C1: F=(1/2)Pv^2CA = (.5 x 1.225 x 7.6^2 x 424 x 1)=6,858 N D (center): F=(1/2)Pv^2CA = (.5 x 1.225 x 11.2^2 x 424 x 1)=9,959 N A2: F=(1/2)Pv^2CA = (.5 x 1.225 x 0^2 x 424 x 1)=0 N B2: F=(1/2)Pv^2CA = (.5 x 1.225 x 2.5